videofilter: allow per feature registration

Split plugin into features including
dynamic types which can be indiviually
registered during a static build.

More details here:

https://gitlab.freedesktop.org/gstreamer/gst-build/-/merge_requests/199
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/661

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/876>

9 files changed, 23 insertions, 7 deletions

diff --git a/gst/videofilter/gstgamma.c b/gst/videofilter/gstgamma.c
index 769e6f060..1d80a67f4 100644
--- a/gst/videofilter/gstgamma.c
+++ b/gst/videofilter/gstgamma.c
@@ -102,6 +102,7 @@ static void gst_gamma_before_transform (GstBaseTransform * transform,
 static void gst_gamma_calculate_tables (GstGamma * gamma);
 
 G_DEFINE_TYPE (GstGamma, gst_gamma, GST_TYPE_VIDEO_FILTER);
+GST_ELEMENT_REGISTER_DEFINE (gamma, "gamma", GST_RANK_NONE, GST_TYPE_GAMMA);
 
 static void
 gst_gamma_class_init (GstGammaClass * g_class)
diff --git a/gst/videofilter/gstgamma.h b/gst/videofilter/gstgamma.h
index 13f967b73..4d9201094 100644
--- a/gst/videofilter/gstgamma.h
+++ b/gst/videofilter/gstgamma.h
@@ -70,6 +70,8 @@ struct _GstGammaClass
 
 GType gst_gamma_get_type(void);
 
+GST_ELEMENT_REGISTER_DECLARE (gamma);
+
 G_END_DECLS
 
 #endif /* __GST_VIDEO_GAMMA_H__ */
diff --git a/gst/videofilter/gstvideobalance.c b/gst/videofilter/gstvideobalance.c
index c82787f21..55656abff 100644
--- a/gst/videofilter/gstvideobalance.c
+++ b/gst/videofilter/gstvideobalance.c
@@ -101,6 +101,8 @@ G_DEFINE_TYPE_WITH_CODE (GstVideoBalance, gst_video_balance,
     GST_TYPE_VIDEO_FILTER,
     G_IMPLEMENT_INTERFACE (GST_TYPE_COLOR_BALANCE,
         gst_video_balance_colorbalance_init));
+GST_ELEMENT_REGISTER_DEFINE (videobalance, "videobalance",
+    GST_RANK_NONE, GST_TYPE_VIDEO_BALANCE);
 
 /*
  * look-up tables (LUT).
diff --git a/gst/videofilter/gstvideobalance.h b/gst/videofilter/gstvideobalance.h
index 8b9f921f4..020f5337d 100644
--- a/gst/videofilter/gstvideobalance.h
+++ b/gst/videofilter/gstvideobalance.h
@@ -74,6 +74,8 @@ struct _GstVideoBalanceClass {
 
 GType gst_video_balance_get_type(void);
 
+GST_ELEMENT_REGISTER_DECLARE (videobalance);
+
 G_END_DECLS
 
 #endif /* __GST_VIDEO_BALANCE_H__ */
diff --git a/gst/videofilter/gstvideoflip.c b/gst/videofilter/gstvideoflip.c
index f20e4edaf..371f29171 100644
--- a/gst/videofilter/gstvideoflip.c
+++ b/gst/videofilter/gstvideoflip.c
@@ -124,6 +124,8 @@ gst_video_flip_video_direction_interface_init (GstVideoDirectionInterface *
 G_DEFINE_TYPE_WITH_CODE (GstVideoFlip, gst_video_flip, GST_TYPE_VIDEO_FILTER,
     G_IMPLEMENT_INTERFACE (GST_TYPE_VIDEO_DIRECTION,
         gst_video_flip_video_direction_interface_init));
+GST_ELEMENT_REGISTER_DEFINE (videoflip, "videoflip", GST_RANK_NONE,
+    GST_TYPE_VIDEO_FLIP);
 
 static GstCaps *
 gst_video_flip_transform_caps (GstBaseTransform * trans,
diff --git a/gst/videofilter/gstvideoflip.h b/gst/videofilter/gstvideoflip.h
index a82bbc479..332015318 100644
--- a/gst/videofilter/gstvideoflip.h
+++ b/gst/videofilter/gstvideoflip.h
@@ -92,6 +92,8 @@ struct _GstVideoFlipClass {
 
 GType gst_video_flip_get_type (void);
 
+GST_ELEMENT_REGISTER_DECLARE (videoflip);
+
 G_END_DECLS
 
 #endif /* __GST_VIDEO_FLIP_H__ */
diff --git a/gst/videofilter/gstvideomedian.c b/gst/videofilter/gstvideomedian.c
index 663872682..9b78b0350 100644
--- a/gst/videofilter/gstvideomedian.c
+++ b/gst/videofilter/gstvideomedian.c
@@ -76,6 +76,8 @@ gst_video_median_size_get_type (void)
 
 #define gst_video_median_parent_class parent_class
 G_DEFINE_TYPE (GstVideoMedian, gst_video_median, GST_TYPE_VIDEO_FILTER);
+GST_ELEMENT_REGISTER_DEFINE (videomedian, "videomedian",
+    GST_RANK_NONE, GST_TYPE_VIDEO_MEDIAN);
 
 static GstFlowReturn gst_video_median_transform_frame (GstVideoFilter * filter,
     GstVideoFrame * in_frame, GstVideoFrame * out_frame);
diff --git a/gst/videofilter/gstvideomedian.h b/gst/videofilter/gstvideomedian.h
index 087767200..b8a1f051f 100644
--- a/gst/videofilter/gstvideomedian.h
+++ b/gst/videofilter/gstvideomedian.h
@@ -61,6 +61,8 @@ struct _GstVideoMedianClass {
 
 GType gst_video_median_get_type (void);
 
+GST_ELEMENT_REGISTER_DECLARE (videomedian);
+
 G_END_DECLS
 
 #endif /* __GST_VIDEO_MEDIAN_H__ */
diff --git a/gst/videofilter/plugin.c b/gst/videofilter/plugin.c
index da736dc85..6c66bf8c8 100644
--- a/gst/videofilter/plugin.c
+++ b/gst/videofilter/plugin.c
@@ -31,13 +31,14 @@
 static gboolean
 plugin_init (GstPlugin * plugin)
 {
-  return (gst_element_register (plugin, "gamma", GST_RANK_NONE, GST_TYPE_GAMMA)
-      && gst_element_register (plugin, "videobalance", GST_RANK_NONE,
-          GST_TYPE_VIDEO_BALANCE)
-      && gst_element_register (plugin, "videoflip", GST_RANK_NONE,
-          GST_TYPE_VIDEO_FLIP)
-      && gst_element_register (plugin, "videomedian", GST_RANK_NONE,
-          GST_TYPE_VIDEO_MEDIAN));
+  gboolean ret = FALSE;
+
+  ret |= GST_ELEMENT_REGISTER (gamma, plugin);
+  ret |= GST_ELEMENT_REGISTER (videobalance, plugin);
+  ret |= GST_ELEMENT_REGISTER (videoflip, plugin);
+  ret |= GST_ELEMENT_REGISTER (videomedian, plugin);
+
+  return ret;
 }
 
 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,